Hirsch RD - RD 210 over Dirty Woman Creek

Fair Condition56 years old100 vehicles/day

Location

StateMontana
CountyRosebud
Location4 M North Of Angela
CarriesHirsch RD - RD 210
CrossesDirty Woman Creek
Coordinates46.77350, -106.19370

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Channel/Waterway7 (Good)
Scour Critical6 — Scour calculated, stable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length24.0 ft (7.3 m)
Max Span22.0 ft (6.7 m)
Deck Width28.5 ft (8.7 m)
Deck Area63.5 sq m
Main Spans1
Year Built1970

Traffic

Avg Daily Traffic100 (2025)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000202408093